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ex_debug_toolbar

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A debug web toolbar for Phoenix projects to display all sorts of information about request

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ex_debug_toolbar lib ex_debug_toolbar plug request_id.ex
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lib/ex_debug_toolbar/plug/request_id.ex 

defmodule ExDebugToolbar.Plug.RequestId do

  use Plug.Builder



  @behaviour Plug



  plug Plug.RequestId

  plug :put_request_id_in_private

  plug :put_request_id_in_req_headers



  defp put_request_id_in_private(conn, opts) do

    request_id = Plug.Conn.get_resp_header(conn, header(opts)) |> List.first

    Plug.Conn.put_private(conn, :request_id, request_id)

  end



  defp put_request_id_in_req_headers(conn, opts) do

    conn |> Plug.Conn.put_req_header(header(opts), conn.private.request_id)

  end



  defp header(opts) do

    Plug.RequestId.init(opts)

  end

end